3 years ago

What is the equation of the line?

Mathematics

1 answer:

svetlana [45]3 years ago

3 0

Answer:

y = -7

Step-by-step explanation:

This line is a horizontal line [HOY] - horizontal, 0 slope, and the equation starts with y = ___ , since it crosses at -7, then the line is y = -7

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Thirteen more than three times a number is 25.

Sladkaya [172]

Answer:

x = 4

Step-by-step explanation:

Equation: 3x + 13 = 25

Step 1: Subtract 13 from both sides.

3x + 13 = 25

- 13 - 13

3x = 12

Step 2: Divide both sides by 3.

3x = 12

3 = 3

x = 4

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3 years ago

5/8-11/20=? Help what’s the answer I’m stuck on finding the LCM of the denominators

zhannawk [14.2K]

Answer:

3/40

Step-by-step explanation:

$\frac{5}{8} - \frac{11}{20}$
$\frac{25}{40} - \frac{22}{40}$ (LCM is 40)
$\frac{25-22}{40}$
$\frac{3}{40}$

Therefore, the answer is 3/40!

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2 years ago

Select all the expressions that are equivalent to -72/12

kondor19780726 [428]

Answer:

The correct answers are B and C

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2 years ago

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The parabola y=<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="absmiddle" class

oksano4ka [1.4K]

Y=(x-h)^2+k where (h,k) is the vertex

So, equation of new parabola is:

y=(x+1)^2+7

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3 years ago

You draw 4 cards from a deck of 52 cards with replacement. What are the probabilities of drawing a black card on each of your fo

lawyer [7]

Solution:

As, in a pack of cards, there are 26 black cards and 26 red cards.

Probability of an event = $\frac{\text{total favorable outcome}}{\text{total possible outcome}}$

Probability of drawing a black card from a pack of 52 cards = $\frac{26}{52}=\frac{1}{2}$

As each card drawn is replaced,Each black card draw is an independent with another black card draw.

Probabilities of drawing a black card on each of four trial=

$\frac{1}{2}\times \frac{1}{2}\times \frac{1}{2}\times \frac{1}{2}=[\frac{1}{2}]^4$

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3 years ago

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